Portable stand



FIG. 1 is a perspective view of a portable stand;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a top view;

FIG. 7 is a bottom view; and,

FIG. 8 is an exploded view showing assembly of a top piece and a bottom piece of the portable stand.

Features shown in broken line in the various figures are for illustrating environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a portable stand, as shown and described. 